Perhaps you should try some spelling variations:
gender class » gender biases, gender bias
gender laws » gender law, gendered laws, gender lens
take based » case based, game based, care based
wang yang » wang yan, wang liang, wang yanling
yang chun » tang chun, wang chun, yang jun
take bane » take care, take back
chun 3 » chun _, chun h, chun i

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang chun 3 ((gender laws) OR (gender class)) ((take bane) OR (take based)) paul ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang chun 3 ((gender laws) OR (gender class)) ((take bane) or (take based)) paul ;~".
• Adding a wildcard symbol may retrieve word variants: wang yang chun 3 ((gender laws) OR (gender class)) ((take bane) or (take based)) paul ;*.